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USGS Daily Statistics for Montana

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Questions or concerns about USGS streamflow data in Montana and Wyoming can be directed to Kirk Miller (kmiller@usgs.gov; 307-775-9168).


The statistics generated from this site are based on approved daily-mean data and may not match those published by the USGS in official publications. The user is responsible for assessment and use of statistics from this site. For more details on why the statistics may not match, click here.

USGS 12362500 S F Flathead River nr Columbia Falls MT


Flathead County, Montana
Hydrologic Unit Code 17010209
Latitude  48°21'23.68", Longitude 114°02'16.29" NAD83
Drainage area 1,668  square miles
Gage datum 3,040 feet above NGVD29
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00060, Discharge, cubic feet per second,
Day of
month
Mean of daily mean values for each day for water year of record in, ft3/s   (Calculation Period 1910-10-01 -> 2020-09-30)

Calculation period restricted by USGS staff due to special conditions at/near site
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
1 2,930 3,080 2,830 3,670 5,700 6,300 5,050 2,440 2,070 2,610 2,430 2,920
2 3,170 3,210 2,890 3,650 5,660 6,410 4,950 2,460 1,970 2,490 2,460 2,890
3 3,600 3,070 2,860 3,480 5,750 6,330 4,790 2,430 1,970 2,560 2,500 3,040
4 3,490 3,040 2,800 3,580 5,780 6,250 4,500 2,420 2,130 2,330 2,300 3,120
5 3,550 3,100 2,790 3,530 5,800 6,220 4,580 2,290 2,220 2,410 2,350 3,110
6 3,600 3,110 2,670 3,750 5,990 6,220 4,410 2,270 2,280 2,490 2,330 3,100
7 3,660 3,280 2,670 3,810 5,980 6,230 4,360 2,380 2,330 2,470 2,330 3,090
8 3,690 3,430 2,820 4,050 5,890 6,170 4,120 2,310 2,420 2,690 2,330 3,210
9 3,700 3,470 3,180 4,180 6,040 6,250 3,940 2,240 2,500 2,540 2,280 3,230
10 3,620 3,380 3,200 4,160 6,190 6,430 3,810 2,160 2,570 2,650 2,270 3,390
11 3,680 3,380 3,210 4,300 6,230 6,350 3,640 2,360 2,510 2,490 2,100 3,320
12 3,730 3,200 3,100 4,600 6,190 6,380 3,510 2,270 2,440 2,710 2,180 3,190
13 3,650 3,140 3,260 4,900 6,390 6,390 3,450 2,230 2,510 2,770 2,210 3,250
14 3,230 3,200 2,950 4,970 6,660 6,570 3,290 2,280 2,400 2,660 2,120 3,240
15 3,270 3,300 3,000 5,140 6,660 6,370 3,240 2,240 2,410 2,160 2,160 3,180
16 3,310 3,190 3,030 5,200 6,500 6,260 3,250 2,280 2,490 2,170 2,390 3,320
17 3,260 3,100 3,030 5,350 6,490 6,330 3,210 2,340 2,510 2,220 2,500 3,470
18 3,200 3,020 2,950 5,430 6,400 6,090 3,130 2,470 2,430 2,260 2,460 3,660
19 3,170 3,060 2,990 5,740 6,150 6,130 2,960 2,340 2,390 2,200 2,340 3,450
20 3,270 3,110 3,070 5,710 5,920 6,020 2,890 2,340 2,500 2,370 2,400 3,550
21 3,170 3,050 3,140 5,600 5,980 5,920 2,860 2,480 2,580 2,340 2,560 3,560
22 3,290 3,190 3,310 5,530 6,290 5,960 2,720 2,340 2,680 2,400 2,520 3,560
23 3,240 3,140 3,450 5,440 6,550 5,950 2,720 2,360 2,640 2,380 2,560 3,380
24 3,480 2,960 3,500 5,290 6,560 5,620 2,690 2,440 2,560 2,330 2,400 2,980
25 3,400 2,890 3,350 5,370 6,660 5,370 2,700 2,380 2,510 2,360 2,260 2,710
26 3,330 2,940 3,430 5,450 6,810 5,320 2,570 2,260 2,380 2,530 2,320 2,830
27 3,220 3,000 3,470 5,680 6,900 5,180 2,530 2,300 2,460 2,540 2,390 2,860
28 3,120 2,870 3,390 5,740 6,790 5,160 2,600 2,300 2,420 2,430 2,310 2,990
29 3,040 3,660 3,490 5,870 6,570 5,140 2,350 2,280 2,550 2,450 2,430 3,090
30 3,050   3,480 5,760 6,380 5,110 2,240 2,260 2,640 2,400 2,720 3,170
31 2,960   3,580   6,320   2,240 2,200   2,400   3,080